Finding the Fourth Proportional to 1,570,311.68, 2,355,417.30 and 659,976.44
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Solution
The fourth proportional to 1,570,311.68, 2,355,417.30 and 659,976.44 is: 989,943.55
Step by Step Solution
- Step 1: Write the proportion equation
1,570,311.68 : 2,355,417.30 = 659,976.44 : x - Step 2: Convert to fraction form
1,570,311.68/2,355,417.30 = 659,976.44/x - Step 3: Cross multiply
1,570,311.68x = 2,355,417.30 × 659,976.44 - Step 4: Simplify right side
1,570,311.68x = 1,554,519,924,368.41 - Step 5: Solve for x
x = 1,554,519,924,368.41/1,570,311.68 - Step 6: Final answer
x = 989,943.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.